     bool  identity
     edn   (fnil read-string "nil")
     regex (fnil re-pattern "")
-    code  (fnil (comp eval read-string) "nil")))
+    code  (fnil (comp eval read-string) "nil")
+    file  io/file))
 
 (defn- assert-atom [type]
   (case type

    bool  #(contains? #{true false} %)
    edn   (constantly true)
    regex #(instance? java.util.regex.Pattern %)
    code  (constantly true)))

(defn- parse-fn [optarg]
  (fn [arg]

(ns boot.cli
  (:require
   [boot.util :as util]
   [clojure.java.io :as io]
   [clojure.string :as string]
   [clojure.pprint :as pprint]
   [boot.from.clojure.tools.cli :as cli]))
